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Q.

The anodic half-cell of lead-acid battery is recharged using electricity of 0.05 Frady. The amount of PbSO4 electrolysed in grams during this process is: (Molar mass of PbSO4 = 303g mol-1)

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a

7.6

b

11.2

c

11.4

d

22.8

answer is C.

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Detailed Solution

detailed_solution_thumbnail
PbSO4 (s) +2e-→Pb (s)+SO42- For 2F current passed PbSO4 electrolysed = 303 gms mol-1 For 0.05F , PbSO4 electrolysed = 0.05×3032=7.6gm

 

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